ONEOK NGL PIPELINE, LLC
hazardous_liquid Incident —
Incident Information
| Report Date | — |
| Operator | ONEOK NGL PIPELINE, LLC |
| Commodity | — |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 31.15436, -95.80716 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | — |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | — |
| Lost Commodity | — |
| Public/Private Damage | — |
| Emergency Response | — |
| Environmental Remediation | — |
| Other Costs | — |
Location Map
Incident Narrative
AT APPROXIMATELY 10:05 ON 8/28/2018 ONEOK PIPELINE CONTROL CENTER RECEIVED HAZARDOUS ATMOSPHERE ALARMS FOR ONEOK'S ARBUCKLE PIPELINE MIDDLETON PUMP STATION. THE ALARM ACTIVATED THE PUMP SHUTDOWN AND STATION ISOLATION. ONEOK PIPELINE CONTROL CENTER CONTROLLER NOTIFIED FIELD PERSONNEL OF THE ALARM AND DISPATCHED A ONEOK REPRESENTATIVE TO THE LOCATION. UPON ARRIVAL, THE ONEOK REPRESENTATIVE IDENTIFIED GASKET BETWEEN FLANGES ON THE PUMP HEADER TO BE THE SOURCE OF THE RELEASE. HE THEN FURTHER ISOLATED THE SEGMENT AND BEGAN TO PURGE THE SECTION OF HYDROCARBONS. THE FAILED GASKET WAS REMOVED AND REPLACED WITH A NEW GASKET AND NEW BOLTS WERE INSTALLED AND TORQUED TO MANUFACTURES SPECIFICATIONS AND THE STATION WAS RETURNED TO SERVICE.
About This Pipeline Incident
Pipeline incident data is reported to the Pipeline and Hazardous Materials Safety Administration (PHMSA). All significant incidents involving fatalities, injuries, or property damage over $50,000 must be reported.